Home / 92,853,673.52-128,003,020.52-64,889,564.08

Finding the Fourth Proportional to 92,853,673.52, 128,003,020.52 and 64,889,564.08

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Solution

The fourth proportional to 92,853,673.52, 128,003,020.52 and 64,889,564.08 is: 89,453,221.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,853,673.52 : 128,003,020.52 = 64,889,564.08 : x
  2. Step 2: Convert to fraction form
    92,853,673.52/128,003,020.52 = 64,889,564.08/x
  3. Step 3: Cross multiply
    92,853,673.52x = 128,003,020.52 × 64,889,564.08
  4. Step 4: Simplify right side
    92,853,673.52x = 8,306,060,202,466,094
  5. Step 5: Solve for x
    x = 8,306,060,202,466,094/92,853,673.52
  6. Step 6: Final answer
    x = 89,453,221.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.